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https://github.com/kdave/btrfs-progs
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There is a bug in raid56_recov() which doesn't properly repair data and P case corruption: /* Data and P*/ if (dest2 == nr_devs - 1) return raid6_recov_datap(nr_devs, stripe_len, dest1, data); Note that, dest1/2 is to indicate which slot has corruption. For RAID6 cases: [0, nr_devs - 2) is for data stripes, @data_devs - 2 is for P, @data_devs - 1 is for Q. For above code, the comment is correct, but the check condition is wrong, and leads to the only project, btrfs-fuse, to report raid6 recovery error for 2 devices missing case. Fix it by using correct condition. Signed-off-by: Qu Wenruo <wqu@suse.com> Signed-off-by: David Sterba <dsterba@suse.com> |
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| .. | ||
| bitops.h | ||
| interval_tree_generic.h | ||
| list_sort.c | ||
| list_sort.h | ||
| list.h | ||
| mktables.c | ||
| overflow.h | ||
| radix-tree.c | ||
| radix-tree.h | ||
| raid56.c | ||
| raid56.h | ||
| rbtree_augmented.h | ||
| rbtree.c | ||
| rbtree.h | ||
| sizes.h | ||
| tables.c | ||